Wheel brush set 6 PZ small version (44 mm) compatible with robot lawn mowers HUSQVARNA 320 HUSQVARNA 330X HUSQVARNA 420 HUSQVARNA 430X HUSQVARNA 440 HUSQVARNA 450X HUSQVARNA 520 HUSQVARNA 550 CODE: 122-901 ORIGINAL CODE: 581 90 31-01 581 90 31-02 581 98 20-01 581 98 20-02 CZ